Fayette County, Pennsylvania, United States

Last updated: 5:13 AM CDT · Refresh

21°C

Feels like 23°

Overcast

▲ 27° / ▼ 18°

Wind

5 mph SW

Humidity

93%

Dew Point

20°

Pressure

28.65 inHg

Visibility

7 mi

UV Index

0.0

Cloud Cover

97%

Sunrise

6:26 AM

Sunset

8:20 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Fayette County is currently overcast at 21°C. Precipitation is likely — peak probability 77% around 4 PM. Atmospheric instability is elevated (CAPE up to 1834 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 8:20PM.

54 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

21°

54%

7 AM

21°

49%

8 AM

21°

35%

9 AM

22°

38%

10 AM

22°

38%

11 AM

23°

40%

12 PM

24°

54%

1 PM

25°

47%

2 PM

24°

65%

3 PM

24°

72%

4 PM

24°

76%

5 PM

24°

69%

6 PM

24°

69%

7 PM

23°

70%

8 PM

22°

67%

9 PM

21°

68%

10 PM

21°

65%

11 PM

20°

48%

12 AM

19°

52%

1 AM

19°

57%

2 AM

19°

52%

3 AM

19°

52%

4 AM

19°

57%

5 AM

19°

63%

7-Day Forecast

Today

27° 18°

Mostly Cloudy with a 72% chance of rain.

Wed

26° 18°

Mostly Cloudy with a 69% chance of rain.

Thu

26° 19°

Rain, 77% chance.

Fri

23° 13°

Drizzle, 77% chance.

Sat

24° 13°

Mostly Cloudy with a 27% chance of rain.

Sun

27° 17°

Rain, 73% chance.

Mon

24° 16°

Rain, 83% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 21° Overcast 54% 5 mph SW 93%

7 AM 21° Overcast 49% 6 mph SW 91%

8 AM 21° Mostly Cloudy 35% 7 mph SW 90%

9 AM 22° Mostly Cloudy 38% 7 mph SW 87%

10 AM 22° Overcast 38% 8 mph WSW 83%

11 AM 23° Overcast 40% 9 mph WSW 79%

12 PM 24° Mostly Cloudy 54% 9 mph WSW 76%

1 PM 25° Mostly Cloudy 47% 10 mph WSW 72%

2 PM 24° Mostly Cloudy 65% 10 mph WSW 69%

3 PM 24° Mostly Cloudy 72% 8 mph W 70%

4 PM 24° Mostly Cloudy 76% 9 mph W 71%

5 PM 24° Mostly Cloudy 69% 9 mph WSW 73%

6 PM 24° Overcast 69% 8 mph WSW 79%

7 PM 23° Overcast 70% 8 mph WSW 87%

8 PM 22° Rain 67% 7 mph WSW 92%

9 PM 21° Overcast 68% 6 mph SW 92%

10 PM 21° Overcast 65% 6 mph SW 93%

11 PM 20° Overcast 48% 6 mph SW 94%

12 AM 19° Overcast 52% 6 mph SW 94%

1 AM 19° Overcast 57% 7 mph SW 96%

2 AM 19° Overcast 52% 7 mph SW 96%

3 AM 19° Overcast 52% 6 mph SW 96%

4 AM 19° Rain 57% 6 mph SW 97%

5 AM 19° Rain 63% 6 mph SW 97%

15-Day Forecast

Today

8/11

Mostly Cloudy

72%

18°

27°

Wed

8/12

Mostly Cloudy

69%

18°

26°

Thu

8/13

Rain

77%

19°

26°

Fri

8/14

Drizzle

77%

13°

23°

Sat

8/15

Mostly Cloudy

27%

13°

24°

Sun

8/16

Rain

73%

17°

27°

Mon

8/17

Rain

83%

16°

24°

Tue

8/18

Partly Cloudy

46%

14°

24°

Wed

8/19

Drizzle

35%

16°

26°

Thu

8/20

Drizzle

52%

18°

25°

Fri

8/21

Drizzle

60%

16°

25°

Sat

8/22

Drizzle

60%

15°

25°

Sun

8/23

Drizzle

60%

16°

24°

Mon

8/24

Drizzle

60%

14°

23°

Tue

8/25

Drizzle

60%

14°

23°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

54 AQI 10.6 µg/m³

O₃

Ground-level ozone

34 AQI 37 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 54 Moderate 34 54

Wed 45 Good 36 45

Thu 41 Good 41 28

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Tue Aug 11, 08:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE560 J/kg

MLCAPE185 J/kg

MUCAPE560 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index-2.3

Kinematics

0–6 km Shear28 kt

0–1 km Shear8 kt

Eff. Shear28 kt

0–1 km SRH50

0–3 km SRH79

Eff. SRH79

Storm Motion318° @ 22 kt

0–1 km EHI0.2

Composite Parameters

Sig. Tornado0.1

STP (eff)0.1

Supercell0.6

K-Index37.6

Thermo & Levels

PWAT1.96 in

0–3 km LR5.5 °C/km

700–500 LR5.3 °C/km

Total Totals46.1

LCL957 hPa

LFC970 hPa

EL198 hPa

Freezing Lvl12,913 ft

Fayette County, Pennsylvania, United States

Alerts